.b-button {
  font-weight: bold;
  color: lightseagreen;
  background: transparent;
  border: none;
  border-radius: 3px;;
  cursor: pointer;
  transition: all 0.15s;
  outline: none;
  &:hover {
    box-shadow: 0 0 5px gray;
    color: #1890ff;
    background: white;
  }
  &.middle {
    height: 26px;
    margin: 5px;
  }
  &.small {
    height: 20px;
  }
}